terminate the loop
61Grushko theorem — In the mathematical subject of group theory, the Grushko theorem or the Grushko Neumann theorem is a theorem stating that the rank (that is, the smallest cardinality of a generating set) of a free product of two groups is equal to the sum of the… …
62Small cancellation theory — In the mathematical subject of group theory, small cancellation theory studies groups given by group presentations satisfying small cancellation conditions, that is where defining relations have small overlaps with each other. It turns out that… …
63Synchronous optical networking — (SONET) and Synchronous Digital Hierarchy (SDH), are two closely related multiplexing protocols for transferring multiple digital bit streams using lasers or light emitting diodes (LEDs) over the same optical fiber. The method was developed to… …
64Algorithmic efficiency — In computer science, efficiency is used to describe properties of an algorithm relating to how much of various types of resources it consumes. Algorithmic efficiency can be thought of as analogous to engineering productivity for a repeating or… …
65Brussels Metro —   Brussels Metro Info …
66cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …
67Chicago — This article is about the U.S. city. For other uses, see Chicago (disambiguation). Windy City redirects here. For other uses, see Windy City (disambiguation). Chicago   City   City of Chicago …
68Toronto Transit Commission — TTC redirects here. For other uses, see TTC (disambiguation). Toronto Transit Commission From top left: An Orion VII TTC bus, a T series TTC subway train, an …
69Mid-Norfolk Railway — Steam hauled train on Danemoor Bank, 2011 Locale England Terminus Dereham Connections Breckland Line: near Wymondham …
70Esterel — is a synchronous programming language for the development of complex reactive systems. The imperative programming style of Esterel allows the simple expression of parallelism and preemption. As a consequence, it is very well suited for control… …
